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tahira
how to work out fractional and negative indices
x^-1 means 1/x In the same way 16^-3/4 means 1/16^3/4 |dw:1330790552031:dw|
why is it 3 for the second part how did u get 1/2 to the power of 3
16 can b written as 2^4. Nw v hav 16^3/4 |dw:1330790759099:dw|